Marie Prieur, a young doctor, decides to settle down on Ushant, a remote island belonging to Brittany. Little by little she manages to be accepted by the population. One day she meets André Lorenzi, a handsome engineer, and it is love at first sight. Life is wonderful for a while but André wants to marry her only if she remains at home. Despite her strong feelings for André, Marie refuses to give up her vocation and the two lovers part. Marie finds herself alone, with a broken heart.